Question 1

What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?

Accepted Answer

A)  less than 1%
B)  between 1% and 10%
C)  between 10% and 15%
D)  greater than 20%
E)  greater than 50%F) A) and C)
G) A) and B)

Question 2

Toxoplasma gondii infects the brain,as do many pathogens.However,a difference between this pathogen and others is that it:

Accepted Answer

A)  produces behavioral changes in the host.
B)  causes brain cancer.
C)  causes destruction of brian tissue.
D)  always kills the host.E) A) and C)
F) A) and D)

Question 3

Arthrospores of Coccidioides immitis develop into _____ that will release bacteria-like endospores into the lungs.

Accepted Answer

A)  hyphae
B)  capsules
C)  spherules
D)  capsids
E)  budsF) B) and E)
G) B) and C) C

Question 4

Treatment of an animal bite for possible rabies includes

Accepted Answer

A)  debridement.
B)  washing the bite with soap or detergent.
C)  infusing the wound with human rabies immune globulin (HRIG) .
D)  postexposure vaccination with inactive vaccine.
E)  All of the choices are correct.F) D) and E)
G) C) and E)

Question 5

Your young friend has meningococcemia.Having had microbiology,you understand the severe consequences of this disease and worry that she might:

Accepted Answer

A)  have a progression of the disease leading to respiratory collapse.
B)  have to have a limb amputated.
C)  transfer the infectious agent to her fetus,since she is pregnant.
D)  go into a chronic disease state,where the symptoms come and go for years.E) A) and B)
F) B) and C)

Question 6

Prions can be destroyed by autoclaving.

Accepted Answer

A) True 
 B)False  False

Question 7

Toxoplasmosis prevention includes

Accepted Answer

A)  vaccination of humans.
B)  vaccination of cats.
C)  hygienic precautions.
D)  vector control.E) A) and C)
F) B) and C)

Question 8

Up to 50% of persons who survived polio as children will suffer from post-polio syndrome later in life.

Accepted Answer

A) True 
 B)False

Question 9

Cryptococcal meningitis is highly communicable among humans.

Accepted Answer

A) True 
 B)False

Question 10

Which is incorrect about rabies?

Accepted Answer

A)  Rabies is a zoonotic disease.
B)  Wild populations of bats,skunks,raccoons,cats,and canines are primary reservoirs.
C)  Transmission can involve bites,scratches,and inhalation.
D)  The average incubation period in human is 1 week.
E)  Symptoms include anxiety,agitation,muscle spasms,convulsions,and paralysis.F) B) and D)
G) None of the above D

Question 11

Which of the following diseases exhibits the highest mortality rate?

Accepted Answer

A)  Western equine encephalitis
B)  St.Louis encephalitis
C)  California encephalitis
D)  Eastern equine encephalitis
E)  West Nile encephalitisF) D) and E)
G) C) and D)

Question 12

Which of the following is caused by Haemophilus influenzae?

Accepted Answer

A)  bacterial meningitis
B)  influenza (flu) 
C)  pharyngitis
D)  bronchitis
E)  epiglottitisF) A) and B)
G) A) and D)

Question 13

As a nurse,you have to teach your patients about control and management of their diseases as well as the facts of the disease--risk,treatment,symptoms,etc.How might you instruct a patient who has West Nile virus to avoid the infectious agent in the future?

Accepted Answer

A)  Be sure to treat your dogs and cats at home with flea medication.
B)  Do not eat food served from kiosks and food trucks in foreign countries.
C)  Always drink bottled water when vacationing outside of the U.S.
D)  Do not go outside at dusk nor at dawn,and cover the skin if this is unavoidable.E) B) and D)
F) B) and C)

Question 14

Meningococci initially colonize the

Accepted Answer

A)  lacrimal ducts.
B)  oral mucosa.
C)  nasopharynx.
D)  Eustachian tube.E) B) and C)
F) All of the above

Question 15

The concept of "immunologically privileged" explains why the CNS has

Accepted Answer

A)  a greater immune response than the rest of the body.
B)  a reduced immune response compared to the rest of the body.
C)  a completely different set of immune responses.
D)  more MHC markers than other tissues.E) A) and D)
F) A) and C)

Question 16

Cryptococcus neoformans is a

Accepted Answer

A)  virus.
B)  bacterium.
C)  prion.
D)  fungus.
E)  helminth.F) B) and E)
G) None of the above

Question 17

Neisseria meningitidis is transmitted by

Accepted Answer

A)  casual contact.
B)  close contact.
C)  intimate contact.
D)  indirect contact.
E)  fomites.F) A) and C)
G) All of the above

Question 18

Agricultural workers and field archaeologists are exposed to this organism which,although entering via the respiratory tract,can cause meningitis:

Accepted Answer

A)  Haemophilus influenzae
B)  Coccidioides immitis
C)  Cryptococcus neoformans
D)  Streptococcus pneumoniae
E)  Neisseria meningitidisF) All of the above
G) B) and E)

Question 19

Place the following in order from skull to brain: subarachnoid space,arachnoid mater,dura mater,pia mater.

Accepted Answer

A)  subarachnoid space,arachnoid mater,dura mater,pia mater
B)  dura mater,arachnoid mater,subarachnoid space,pia mater
C)  dura mater,arachnoid mater,pia mater,subarachnoid space
D)  arachnoid mater,subarachnoid space,dura mater,pia mater
E)  pia mater,arachnoid mater,subarachnoid space,dura materF) B) and D)
G) B) and E)

Question 20

African sleeping sickness is caused by

Accepted Answer

A)  Trypanosoma cruzi.
B)  Trypanosoma brucei.
C)  Leishmania braziliensis
D)  Isospora belli.
E)  Plasmodium falciparum.F) A) and B)
G) None of the above

Exam 19: Infectious Diseases Affecting the Nervous System

What is the likelihood that a patient infected by West Nile virus will develop West Nile encephalitis?

Correct AnswerverifiedShow Answer

Toxoplasma gondii infects the brain,as do many pathogens.However,a difference between this pathogen and others is that it:

Correct AnswerverifiedShow Answer

Arthrospores of Coccidioides immitis develop into _____ that will release bacteria-like endospores into the lungs.

Correct AnswerverifiedC

Treatment of an animal bite for possible rabies includes

Correct AnswerverifiedShow Answer

Your young friend has meningococcemia.Having had microbiology,you understand the severe consequences of this disease and worry that she might:

Correct AnswerverifiedShow Answer

Prions can be destroyed by autoclaving.

Correct AnswerverifiedFalse

Toxoplasmosis prevention includes

Correct AnswerverifiedShow Answer

Up to 50% of persons who survived polio as children will suffer from post-polio syndrome later in life.

Correct AnswerverifiedShow Answer

Cryptococcal meningitis is highly communicable among humans.

Correct AnswerverifiedShow Answer

Which is incorrect about rabies?

Correct AnswerverifiedD

Which of the following diseases exhibits the highest mortality rate?

Correct AnswerverifiedShow Answer

Which of the following is caused by Haemophilus influenzae?

Correct AnswerverifiedShow Answer

As a nurse,you have to teach your patients about control and management of their diseases as well as the facts of the disease--risk,treatment,symptoms,etc.How might you instruct a patient who has West Nile virus to avoid the infectious agent in the future?

Correct AnswerverifiedShow Answer

Meningococci initially colonize the

Correct AnswerverifiedShow Answer

The concept of "immunologically privileged" explains why the CNS has

Correct AnswerverifiedShow Answer

Cryptococcus neoformans is a

Correct AnswerverifiedShow Answer

Neisseria meningitidis is transmitted by

Correct AnswerverifiedShow Answer

Agricultural workers and field archaeologists are exposed to this organism which,although entering via the respiratory tract,can cause meningitis:

Correct AnswerverifiedShow Answer

Place the following in order from skull to brain: subarachnoid space,arachnoid mater,dura mater,pia mater.

Correct AnswerverifiedShow Answer

African sleeping sickness is caused by

Correct AnswerverifiedShow Answer

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False

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D

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